CB 40 Residual

Practice 24 CB 40 Residual exam questions with instant feedback and cited explanations.

Practice ExamsChemicals › CB 40 Residual
Start practice — 24 questions →

Sample questions (showing 8 of 24)

When performing a volumetric treatment for flying insects (flies, mosquitoes, wasps, etc.), what is the required application rate?

Answer: The label states to spray flying insects for 1-3 seconds per 1,000 cubic feet of space.

Which of the following pests is listed as a target for CB 40 Residual?

Answer: Sawtoothed Grain Beetles are explicitly listed as a target pest in the label facts.

What must be done with food and food processing equipment before applying CB 40 Residual in a food processing plant?

Answer: The restrictions state to cover or remove all food and food processing equipment before application.

What is the restriction regarding the size of the room being treated?

Answer: The label states: 'Do not use in a room 5 ft. x 5 ft. or smaller; instead, allow fog to enter from other rooms.'

Which of the following is a permitted application method in food areas/food handling establishments?

Answer: The label states a crack and crevice application can be done in food areas while facilities are in operation by taking extreme care not to contaminate surfaces.

When performing a General Volumetric Treatment for crawling insects, what is the required application rate?

Answer: The label states for General Volumetric Treatment to apply at the rate of 20 seconds per 1000 cu. ft. of space.

When applying a crack and crevice application in food handling establishments, what is permitted?

Answer: The label states that careful crack and crevice application for inspection purposes is permissible at all times in food handling establishments.

In a medical care facility, how long must the area be ventilated before returning patients?

Answer: The label specifies that in medical care facilities, ventilate the area for 2 hours before returning patients.

← All practice exams